Industrial QN2SP02SXM-BSF21 Quartz Valve Control

Stonel QN2SP02SXM-BSF21 Quartz Valve Control is a rugged Quartz valve-position monitor from StoneL’s QN series, designed to deliver reliable position feedback for on/off valves in demanding industrial environments. As part of the Quartz QN family, it represents the nonincendive/intrinsically safe (QN) variant, within a line that also includes explosionproof QX and general-purpose QG options. The model name signals two output contacts (two SPDT switches) with gold contacts to convey valve position to control systems. This device is intended for valve-position monitoring in automated process lines, enabling dependable signaling of valve status for remote annunciation and control. The QN series is engineered to withstand harsh conditions while providing clear feedback to valve actuators in industrial settings. Cross-reference: Metso 449293.